Learn how to mill and install your own wood trim. Hold the test pieces on the reveal marks to check the fit of the miter in the corner. Note: Even though the corners should be a perfect 90 degrees, ...
If you can’t live with the layout of your space, a temporary wall may be just the solution ... Are the studs too tall? Trim off some height with a sander or circular saw, then try your luck ...
this only works if you’re measuring a corner of the exterior of the house. But it’s worth a shot before you go crazy with the test holes, wondering how far apart the studs are in your walls.
Start at a corner of the room and then measure along ... a screw or nailhead should put you near the center of that stud. Wall trim or baseboards are usually nailed to the studs.